==========================================================================
Ubuntu Security Notice USN-3340-1
June 26, 2017
apache2 vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 17.04
– Ubuntu 16.10
– Ubuntu 16.04 LTS
– Ubuntu 14.04 LTS
Summary:
Several security issues were fixed in Apache HTTP Server.
Software Description:
– apache2: Apache HTTP server
Details:
Emmanuel Dreyfus discovered that third-party modules using the
ap_get_basic_auth_pw() function outside of the authentication phase may
lead to authentication requirements being bypassed. This update adds a new
ap_get_basic_auth_components() function for use by third-party modules.
(CVE-2017-3167)
Vasileios Panopoulos discovered that the Apache mod_ssl module may crash
when third-party modules call ap_hook_process_connection() during an HTTP
request to an HTTPS port. (CVE-2017-3169)
Javier Jiménez discovered that the Apache HTTP Server incorrectly handled
parsing certain requests. A remote attacker could possibly use this issue
to cause the Apache HTTP Server to crash, resulting in a denial of service.
(CVE-2017-7668)
ChenQin and Hanno Böck discovered that the Apache mod_mime module
incorrectly handled certain Content-Type response headers. A remote
attacker could possibly use this issue to cause the Apache HTTP Server to
crash, resulting in a denial of service. (CVE-2017-7679)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 17.04:
apache2-bin 2.4.25-3ubuntu2.1
Ubuntu 16.10:
apache2-bin 2.4.18-2ubuntu4.2
Ubuntu 16.04 LTS:
apache2-bin 2.4.18-2ubuntu3.3
Ubuntu 14.04 LTS:
apache2-bin 2.4.7-1ubuntu4.16
In general, a standard system update will make all the necessary changes.
References:
https://www.ubuntu.com/usn/usn-3340-1
CVE-2017-3167, CVE-2017-3169, CVE-2017-7668, CVE-2017-7679
Package Information:
https://launchpad.net/ubuntu/+source/apache2/2.4.25-3ubuntu2.1
https://launchpad.net/ubuntu/+source/apache2/2.4.18-2ubuntu4.2
https://launchpad.net/ubuntu/+source/apache2/2.4.18-2ubuntu3.3
https://launchpad.net/ubuntu/+source/apache2/2.4.7-1ubuntu4.16
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